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Finding the Fourth Proportional to 341,260.58, 511,671.71 and 141,718.66

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Solution

The fourth proportional to 341,260.58, 511,671.71 and 141,718.66 is: 212,486.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,260.58 : 511,671.71 = 141,718.66 : x
  2. Step 2: Convert to fraction form
    341,260.58/511,671.71 = 141,718.66/x
  3. Step 3: Cross multiply
    341,260.58x = 511,671.71 × 141,718.66
  4. Step 4: Simplify right side
    341,260.58x = 72,513,429,101.11
  5. Step 5: Solve for x
    x = 72,513,429,101.11/341,260.58
  6. Step 6: Final answer
    x = 212,486.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.